1 #ifndef _ASM_POWERPC_PAGE_32_H
2 #define _ASM_POWERPC_PAGE_32_H
4 #define VM_DATA_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS32
8 * The basic type of a PTE - 64 bits for those CPUs with > 32 bit
9 * physical addressing. For now this just the IBM PPC440.
11 #ifdef CONFIG_PTE_64BIT
12 typedef unsigned long long pte_basic_t;
13 #define PTE_SHIFT (PAGE_SHIFT - 3) /* 512 ptes per page */
14 #define PTE_FMT "%16Lx"
16 typedef unsigned long pte_basic_t;
17 #define PTE_SHIFT (PAGE_SHIFT - 2) /* 1024 ptes per page */
18 #define PTE_FMT "%.8lx"
22 extern void clear_pages(void *page, int order);
23 static inline void clear_page(void *page) { clear_pages(page, 0); }
24 extern void copy_page(void *to, void *from);
26 /* Pure 2^n version of get_order */
27 extern __inline__ int get_order(unsigned long size)
31 size = (size-1) >> PAGE_SHIFT;
32 asm ("cntlzw %0,%1" : "=r" (lz) : "r" (size));
36 #endif /* __ASSEMBLY__ */
38 #endif /* _ASM_POWERPC_PAGE_32_H */